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The world's top ten cross-harbour tunnels
1.Bering Strait Cross-Harbour TunnelThe Bering Strait Crossing is a 105-kilometer-long tunnel that runs under the Bering Strait and is called "the world's longest undersea tunnel. It connects Siberia in Russia and Alaska in the United States, and can be said to be a very magnificent construction project for mankind.
Feb 28, 2024
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